diff --git a/ChangeLog b/ChangeLog
index 41154b56..1642f25d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,9 +1,18 @@
 #---------------------------------------------------------------------
 # ChangeLog
-# Andreas Suter, 2009/06/21
-# $Id: ChangeLog 4013 2009-06-21
+# BMW, 2009/08/08
+# $Id:
 #---------------------------------------------------------------------
 
+musrfit 0.5.1
++ Read _measured_ temperature(s) from data files (ROOT, PSIBIN, WKM)
++ msr2data rewritten in C++ 
+  + Added support for taking parameters like temperatures
+    and the applied field from the data files (PSIBIN, WKM)
+  + For LEM-data RA-HVs are taken from the RunSummary in the 
+    ROOT file (if present) - other data is taken from the TLemRunHeader
+
+
 musrfit 0.5.0
 
 + Initial release supporting building by autotools
diff --git a/configure.ac b/configure.ac
index a9c1362c..08519f48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.59)
-AC_INIT(musrfit, 0.5.0, andreas.suter@psi.ch)
+AC_INIT(musrfit, 0.5.1, andreas.suter@psi.ch)
 AC_CONFIG_AUX_DIR(admin)
 
 dnl -----------------------------------------------
@@ -13,7 +13,7 @@ LEM_LIBRARY_NAME=TLemRunHeader
 #release versioning
 MUSR_MAJOR_VERSION=0
 MUSR_MINOR_VERSION=5
-MUSR_MICRO_VERSION=0
+MUSR_MICRO_VERSION=1
 
 #release versioning
 LEM_MAJOR_VERSION=1
@@ -296,6 +296,5 @@ AC_CONFIG_FILES([Makefile \
                  src/classes/PMusr.pc \
                  src/external/Makefile \
                  src/external/TLemRunHeader/Makefile \
-                 src/external/TLemRunHeader/TLemRunHeader.pc \
-                 src/external/scripts/Makefile])
+                 src/external/TLemRunHeader/TLemRunHeader.pc])
 AC_OUTPUT
diff --git a/src/external/scripts/Makefile.am b/src/external/scripts/Makefile.am
deleted file mode 100644
index 5ca6daca..00000000
--- a/src/external/scripts/Makefile.am
+++ /dev/null
@@ -1 +0,0 @@
-bin_SCRIPTS = msr2data